38699519040 has 784 divisors, whose sum is σ = 170144529408. Its totient is φ = 8160694272.

The previous prime is 38699519003. The next prime is 38699519051. The reversal of 38699519040 is 4091599683.

38699519040 is a `hidden beast` number, since 3 + 86 + 9 + 9 + 519 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 21227569 + ... + 21229391.

Almost surely, 2^38699519040 is an apocalyptic number.

38699519040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38699519040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85072264704).

38699519040 is an abundant number, since it is smaller than the sum of its proper divisors (131445010368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38699519040 is a wasteful number, since it uses less digits than its factorization.

38699519040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 38699519040 in words is "thirty-eight billion, six hundred ninety-nine million, five hundred nineteen thousand, forty".